Dental floss holder



FIG. 1: A front elevation view of the dental floss holder showing my design;

FIG. 2: Top view thereof;

FIG. 3: A side view. The opposite side is a mirror image thereof;

FIG. 4: A rear view thereof;

FIG. 5: A bottom view thereof; and,

FIG. 6: A perspective view thereof, the broken line drawing of dental floss is for illustrative purposes only and forms no part of claimed design. 

The ornamental design for a floss holder, as shown and described. 